To find all the divisors of the number 890,000,000,040:
- 1. Decompose the number into prime factors.
- See how you can find out how many factors (divisors) the number has, without actually calculating them.
- 2. Multiply the prime factors in all their unique combinations, that yield different results.
1. Carry out the prime factorization of the number 890,000,000,040:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
890,000,000,040 = 23 × 3 × 5 × 367 × 20,208,901
890,000,000,040 is not a prime number but a composite one.
- Prime number: a natural number that is divisible (divided evenly) only by 1 and itself. A prime number has exactly two factors: 1 and the number itself.
- Examples of prime numbers: 2 (factors 1, 2), 3 (factors 1, 3), 5 (factors 1, 5), 7 (factors 1, 7), 11 (factors 1, 11), 13 (factors 1, 13), ...
- Composite number: a natural number that has at least one factor other than 1 and itself. So it is neither a prime number nor 1.
- Examples of composite numbers: 4 (it has 3 factors: 1, 2, 4), 6 (it has 4 factors: 1, 2, 3, 6), 8 (it has 4 factors: 1, 2, 4, 8), 9 (it has 3 factors: 1, 3, 9), 10 (it has 4 factors: 1, 2, 5, 10), 12 (it has 6 factors: 1, 2, 3, 4, 6, 12), ...
How to count the number of factors of a number?
Without actually finding the factors
- If a number N is prime factorized as:
N = am × bk × cz
where a, b, c are the prime factors and m, k, z are their exponents, natural numbers, .... - ...
- Then the number of factors of the number N can be calculated as:
n = (m + 1) × (k + 1) × (z + 1) - ...
- In our case, the number of factors is calculated as:
- n = (3 + 1) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 4 × 2 × 2 × 2 × 2 = 64
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 890,000,000,040
- Multiply the prime factors involved in the prime factorization of the number in all their unique combinations, that give different results.
- Also consider the exponents of these prime factors.
- Also add 1 to the list of factors (divisors). All the numbers are divisible by 1.
All the factors (divisors) are listed below - in ascending order
The list of factors (divisors):
Numbers other than 1 that are not prime factors are composite factors (divisors).
neither prime nor composite =
1
prime factor =
2
prime factor =
3
composite factor = 2
2 =
4
prime factor =
5
composite factor = 2 × 3 =
6
composite factor = 2
3 =
8
composite factor = 2 × 5 =
10
composite factor = 2
2 × 3 =
12
composite factor = 3 × 5 =
15
composite factor = 2
2 × 5 =
20
composite factor = 2
3 × 3 =
24
composite factor = 2 × 3 × 5 =
30
composite factor = 2
3 × 5 =
40
composite factor = 2
2 × 3 × 5 =
60
composite factor = 2
3 × 3 × 5 =
120
prime factor =
367
composite factor = 2 × 367 =
734
composite factor = 3 × 367 =
1,101
composite factor = 2
2 × 367 =
1,468
composite factor = 5 × 367 =
1,835
composite factor = 2 × 3 × 367 =
2,202
composite factor = 2
3 × 367 =
2,936
composite factor = 2 × 5 × 367 =
3,670
composite factor = 2
2 × 3 × 367 =
4,404
composite factor = 3 × 5 × 367 =
5,505
composite factor = 2
2 × 5 × 367 =
7,340
composite factor = 2
3 × 3 × 367 =
8,808
composite factor = 2 × 3 × 5 × 367 =
11,010
composite factor = 2
3 × 5 × 367 =
14,680
composite factor = 2
2 × 3 × 5 × 367 =
22,020
composite factor = 2
3 × 3 × 5 × 367 =
44,040
This list continues below...
... This list continues from above
prime factor =
20,208,901
composite factor = 2 × 20,208,901 =
40,417,802
composite factor = 3 × 20,208,901 =
60,626,703
composite factor = 2
2 × 20,208,901 =
80,835,604
composite factor = 5 × 20,208,901 =
101,044,505
composite factor = 2 × 3 × 20,208,901 =
121,253,406
composite factor = 2
3 × 20,208,901 =
161,671,208
composite factor = 2 × 5 × 20,208,901 =
202,089,010
composite factor = 2
2 × 3 × 20,208,901 =
242,506,812
composite factor = 3 × 5 × 20,208,901 =
303,133,515
composite factor = 2
2 × 5 × 20,208,901 =
404,178,020
composite factor = 2
3 × 3 × 20,208,901 =
485,013,624
composite factor = 2 × 3 × 5 × 20,208,901 =
606,267,030
composite factor = 2
3 × 5 × 20,208,901 =
808,356,040
composite factor = 2
2 × 3 × 5 × 20,208,901 =
1,212,534,060
composite factor = 2
3 × 3 × 5 × 20,208,901 =
2,425,068,120
composite factor = 367 × 20,208,901 =
7,416,666,667
composite factor = 2 × 367 × 20,208,901 =
14,833,333,334
composite factor = 3 × 367 × 20,208,901 =
22,250,000,001
composite factor = 2
2 × 367 × 20,208,901 =
29,666,666,668
composite factor = 5 × 367 × 20,208,901 =
37,083,333,335
composite factor = 2 × 3 × 367 × 20,208,901 =
44,500,000,002
composite factor = 2
3 × 367 × 20,208,901 =
59,333,333,336
composite factor = 2 × 5 × 367 × 20,208,901 =
74,166,666,670
composite factor = 2
2 × 3 × 367 × 20,208,901 =
89,000,000,004
composite factor = 3 × 5 × 367 × 20,208,901 =
111,250,000,005
composite factor = 2
2 × 5 × 367 × 20,208,901 =
148,333,333,340
composite factor = 2
3 × 3 × 367 × 20,208,901 =
178,000,000,008
composite factor = 2 × 3 × 5 × 367 × 20,208,901 =
222,500,000,010
composite factor = 2
3 × 5 × 367 × 20,208,901 =
296,666,666,680
composite factor = 2
2 × 3 × 5 × 367 × 20,208,901 =
445,000,000,020
composite factor = 2
3 × 3 × 5 × 367 × 20,208,901 =
890,000,000,040
64 factors (divisors)
What times what is 890,000,000,040?
What number multiplied by what number equals 890,000,000,040?
All the combinations of any two natural numbers whose product equals 890,000,000,040.
1 × 890,000,000,040 = 890,000,000,040
2 × 445,000,000,020 = 890,000,000,040
3 × 296,666,666,680 = 890,000,000,040
4 × 222,500,000,010 = 890,000,000,040
5 × 178,000,000,008 = 890,000,000,040
6 × 148,333,333,340 = 890,000,000,040
8 × 111,250,000,005 = 890,000,000,040
10 × 89,000,000,004 = 890,000,000,040
12 × 74,166,666,670 = 890,000,000,040
15 × 59,333,333,336 = 890,000,000,040
20 × 44,500,000,002 = 890,000,000,040
24 × 37,083,333,335 = 890,000,000,040
30 × 29,666,666,668 = 890,000,000,040
40 × 22,250,000,001 = 890,000,000,040
60 × 14,833,333,334 = 890,000,000,040
120 × 7,416,666,667 = 890,000,000,040
367 × 2,425,068,120 = 890,000,000,040
734 × 1,212,534,060 = 890,000,000,040
1,101 × 808,356,040 = 890,000,000,040
1,468 × 606,267,030 = 890,000,000,040
1,835 × 485,013,624 = 890,000,000,040
2,202 × 404,178,020 = 890,000,000,040
2,936 × 303,133,515 = 890,000,000,040
3,670 × 242,506,812 = 890,000,000,040
4,404 × 202,089,010 = 890,000,000,040
5,505 × 161,671,208 = 890,000,000,040
7,340 × 121,253,406 = 890,000,000,040
8,808 × 101,044,505 = 890,000,000,040
11,010 × 80,835,604 = 890,000,000,040
14,680 × 60,626,703 = 890,000,000,040
22,020 × 40,417,802 = 890,000,000,040
44,040 × 20,208,901 = 890,000,000,040
32 unique multiplications The final answer:
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